42062020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{191}}^1$

素因数の和:242

約数の個数: 144

約数和(自身を含む): 120121344

約数和(自身を除く): 78059324

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 35, 44, 52, 55, 65, 70, 77, 91, 110, 121, 130, 140, 143, 154, 182, 191, 220, 242, 260, 286, 308, 364, 382, 385, 455, 484, 572, 605, 715, 764, 770, 847, 910, 955, 1001, 1210, 1337, 1430, 1540, 1573, 1694, 1820, 1910, 2002, 2101, 2420, 2483, 2674, 2860, 3146, 3388, 3820, 4004, 4202, 4235, 4966, 5005, 5348, 6292, 6685, 7865, 8404, 8470, 9932, 10010, 10505, 11011, 12415, 13370, 14707, 15730, 16940, 17381, 20020, 21010, 22022, 23111, 24830, 26740, 27313, 29414, 31460, 34762, 42020, 44044, 46222, 49660, 54626, 55055, 58828, 69524, 73535, 86905, 92444, 109252, 110110, 115555, 136565, 147070, 161777, 173810, 191191, 220220, 231110, 273130, 294140, 300443, 323554, 347620, 382382, 462220, 546260, 600886, 647108, 764764, 808885, 955955, 1201772, 1502215, 1617770, 1911910, 2103101, 3004430, 3235540, 3823820, 4206202, 6008860, 8412404, 10515505, 21031010, 42062020]

約数ペア:

[(1, 42062020), (2, 21031010), (4, 10515505), (5, 8412404), (7, 6008860), (10, 4206202), (11, 3823820), (13, 3235540), (14, 3004430), (20, 2103101), (22, 1911910), (26, 1617770), (28, 1502215), (35, 1201772), (44, 955955), (52, 808885), (55, 764764), (65, 647108), (70, 600886), (77, 546260), (91, 462220), (110, 382382), (121, 347620), (130, 323554), (140, 300443), (143, 294140), (154, 273130), (182, 231110), (191, 220220), (220, 191191), (242, 173810), (260, 161777), (286, 147070), (308, 136565), (364, 115555), (382, 110110), (385, 109252), (455, 92444), (484, 86905), (572, 73535), (605, 69524), (715, 58828), (764, 55055), (770, 54626), (847, 49660), (910, 46222), (955, 44044), (1001, 42020), (1210, 34762), (1337, 31460), (1430, 29414), (1540, 27313), (1573, 26740), (1694, 24830), (1820, 23111), (1910, 22022), (2002, 21010), (2101, 20020), (2420, 17381), (2483, 16940), (2674, 15730), (2860, 14707), (3146, 13370), (3388, 12415), (3820, 11011), (4004, 10505), (4202, 10010), (4235, 9932), (4966, 8470), (5005, 8404), (5348, 7865), (6292, 6685)]