20163535120

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1\times {\mathrm{313}}^1$

素因数の和:729

約数の個数: 160

約数和(自身を含む): 49608824832

約数和(自身を除く): 29445289712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 157, 184, 223, 230, 313, 314, 368, 446, 460, 626, 628, 785, 892, 920, 1115, 1252, 1256, 1565, 1570, 1784, 1840, 2230, 2504, 2512, 3130, 3140, 3568, 3611, 4460, 5008, 5129, 6260, 6280, 7199, 7222, 8920, 10258, 12520, 12560, 14398, 14444, 17840, 18055, 20516, 25040, 25645, 28796, 28888, 35011, 35995, 36110, 41032, 49141, 51290, 57592, 57776, 69799, 70022, 71990, 72220, 82064, 98282, 102580, 115184, 139598, 140044, 143980, 144440, 175055, 196564, 205160, 245705, 279196, 280088, 287960, 288880, 348995, 350110, 393128, 410320, 491410, 558392, 560176, 575920, 697990, 700220, 786256, 805253, 982820, 1116784, 1130243, 1395980, 1400440, 1605377, 1610506, 1965640, 2260486, 2791960, 2800880, 3210754, 3221012, 3931280, 4026265, 4520972, 5583920, 5651215, 6421508, 6442024, 8026885, 8052530, 9041944, 10958443, 11302430, 12843016, 12884048, 16053770, 16105060, 18083888, 21916886, 22604860, 25686032, 32107540, 32210120, 43833772, 45209720, 54792215, 64215080, 64420240, 87667544, 90419440, 109584430, 128430160, 175335088, 219168860, 252044189, 438337720, 504088378, 876675440, 1008176756, 1260220945, 2016353512, 2520441890, 4032707024, 5040883780, 10081767560, 20163535120]

約数ペア:

[(1, 20163535120), (2, 10081767560), (4, 5040883780), (5, 4032707024), (8, 2520441890), (10, 2016353512), (16, 1260220945), (20, 1008176756), (23, 876675440), (40, 504088378), (46, 438337720), (80, 252044189), (92, 219168860), (115, 175335088), (157, 128430160), (184, 109584430), (223, 90419440), (230, 87667544), (313, 64420240), (314, 64215080), (368, 54792215), (446, 45209720), (460, 43833772), (626, 32210120), (628, 32107540), (785, 25686032), (892, 22604860), (920, 21916886), (1115, 18083888), (1252, 16105060), (1256, 16053770), (1565, 12884048), (1570, 12843016), (1784, 11302430), (1840, 10958443), (2230, 9041944), (2504, 8052530), (2512, 8026885), (3130, 6442024), (3140, 6421508), (3568, 5651215), (3611, 5583920), (4460, 4520972), (5008, 4026265), (5129, 3931280), (6260, 3221012), (6280, 3210754), (7199, 2800880), (7222, 2791960), (8920, 2260486), (10258, 1965640), (12520, 1610506), (12560, 1605377), (14398, 1400440), (14444, 1395980), (17840, 1130243), (18055, 1116784), (20516, 982820), (25040, 805253), (25645, 786256), (28796, 700220), (28888, 697990), (35011, 575920), (35995, 560176), (36110, 558392), (41032, 491410), (49141, 410320), (51290, 393128), (57592, 350110), (57776, 348995), (69799, 288880), (70022, 287960), (71990, 280088), (72220, 279196), (82064, 245705), (98282, 205160), (102580, 196564), (115184, 175055), (139598, 144440), (140044, 143980)]