20927839940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{117427}}^1$

素因数の和:117529

約数の個数: 96

約数和(自身を含む): 53659898880

約数和(自身を除く): 32732058940

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 35, 38, 67, 70, 76, 95, 133, 134, 140, 190, 266, 268, 335, 380, 469, 532, 665, 670, 938, 1273, 1330, 1340, 1876, 2345, 2546, 2660, 4690, 5092, 6365, 8911, 9380, 12730, 17822, 25460, 35644, 44555, 89110, 117427, 178220, 234854, 469708, 587135, 821989, 1174270, 1643978, 2231113, 2348540, 3287956, 4109945, 4462226, 7867609, 8219890, 8924452, 11155565, 15617791, 15735218, 16439780, 22311130, 31235582, 31470436, 39338045, 44622260, 55073263, 62471164, 78088955, 78676090, 110146526, 149484571, 156177910, 157352180, 220293052, 275366315, 298969142, 312355820, 550732630, 597938284, 747422855, 1046391997, 1101465260, 1494845710, 2092783994, 2989691420, 4185567988, 5231959985, 10463919970, 20927839940]

約数ペア:

[(1, 20927839940), (2, 10463919970), (4, 5231959985), (5, 4185567988), (7, 2989691420), (10, 2092783994), (14, 1494845710), (19, 1101465260), (20, 1046391997), (28, 747422855), (35, 597938284), (38, 550732630), (67, 312355820), (70, 298969142), (76, 275366315), (95, 220293052), (133, 157352180), (134, 156177910), (140, 149484571), (190, 110146526), (266, 78676090), (268, 78088955), (335, 62471164), (380, 55073263), (469, 44622260), (532, 39338045), (665, 31470436), (670, 31235582), (938, 22311130), (1273, 16439780), (1330, 15735218), (1340, 15617791), (1876, 11155565), (2345, 8924452), (2546, 8219890), (2660, 7867609), (4690, 4462226), (5092, 4109945), (6365, 3287956), (8911, 2348540), (9380, 2231113), (12730, 1643978), (17822, 1174270), (25460, 821989), (35644, 587135), (44555, 469708), (89110, 234854), (117427, 178220)]