20173443980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{163}}^1\times {\mathrm{6257}}^1$

素因数の和:6495

約数の個数: 96

約数和(自身を含む): 45518989824

約数和(自身を除く): 25345545844

約数列:

[1, 2, 4, 5, 10, 20, 23, 43, 46, 86, 92, 115, 163, 172, 215, 230, 326, 430, 460, 652, 815, 860, 989, 1630, 1978, 3260, 3749, 3956, 4945, 6257, 7009, 7498, 9890, 12514, 14018, 14996, 18745, 19780, 25028, 28036, 31285, 35045, 37490, 62570, 70090, 74980, 125140, 140180, 143911, 161207, 269051, 287822, 322414, 538102, 575644, 644828, 719555, 806035, 1019891, 1076204, 1345255, 1439110, 1612070, 2039782, 2690510, 2878220, 3224140, 4079564, 5099455, 5381020, 6188173, 10198910, 12376346, 20397820, 23457493, 24752692, 30940865, 43855313, 46914986, 61881730, 87710626, 93829972, 117287465, 123763460, 175421252, 219276565, 234574930, 438553130, 469149860, 877106260, 1008672199, 2017344398, 4034688796, 5043360995, 10086721990, 20173443980]

約数ペア:

[(1, 20173443980), (2, 10086721990), (4, 5043360995), (5, 4034688796), (10, 2017344398), (20, 1008672199), (23, 877106260), (43, 469149860), (46, 438553130), (86, 234574930), (92, 219276565), (115, 175421252), (163, 123763460), (172, 117287465), (215, 93829972), (230, 87710626), (326, 61881730), (430, 46914986), (460, 43855313), (652, 30940865), (815, 24752692), (860, 23457493), (989, 20397820), (1630, 12376346), (1978, 10198910), (3260, 6188173), (3749, 5381020), (3956, 5099455), (4945, 4079564), (6257, 3224140), (7009, 2878220), (7498, 2690510), (9890, 2039782), (12514, 1612070), (14018, 1439110), (14996, 1345255), (18745, 1076204), (19780, 1019891), (25028, 806035), (28036, 719555), (31285, 644828), (35045, 575644), (37490, 538102), (62570, 322414), (70090, 287822), (74980, 269051), (125140, 161207), (140180, 143911)]