20166371720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{86969}}^1$

素因数の和:87039

約数の個数: 128

約数和(自身を含む): 54102297600

約数和(自身を除く): 33935925880

約数列:

[1, 2, 4, 5, 8, 10, 11, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 85, 88, 110, 124, 136, 155, 170, 187, 220, 248, 310, 340, 341, 374, 440, 527, 620, 680, 682, 748, 935, 1054, 1240, 1364, 1496, 1705, 1870, 2108, 2635, 2728, 3410, 3740, 4216, 5270, 5797, 6820, 7480, 10540, 11594, 13640, 21080, 23188, 28985, 46376, 57970, 86969, 115940, 173938, 231880, 347876, 434845, 695752, 869690, 956659, 1478473, 1739380, 1913318, 2696039, 2956946, 3478760, 3826636, 4783295, 5392078, 5913892, 7392365, 7653272, 9566590, 10784156, 11827784, 13480195, 14784730, 16263203, 19133180, 21568312, 26960390, 29569460, 29656429, 32526406, 38266360, 45832663, 53920780, 59138920, 59312858, 65052812, 81316015, 91665326, 107841560, 118625716, 130105624, 148282145, 162632030, 183330652, 229163315, 237251432, 296564290, 325264060, 366661304, 458326630, 504159293, 593128580, 650528120, 916653260, 1008318586, 1186257160, 1833306520, 2016637172, 2520796465, 4033274344, 5041592930, 10083185860, 20166371720]

約数ペア:

[(1, 20166371720), (2, 10083185860), (4, 5041592930), (5, 4033274344), (8, 2520796465), (10, 2016637172), (11, 1833306520), (17, 1186257160), (20, 1008318586), (22, 916653260), (31, 650528120), (34, 593128580), (40, 504159293), (44, 458326630), (55, 366661304), (62, 325264060), (68, 296564290), (85, 237251432), (88, 229163315), (110, 183330652), (124, 162632030), (136, 148282145), (155, 130105624), (170, 118625716), (187, 107841560), (220, 91665326), (248, 81316015), (310, 65052812), (340, 59312858), (341, 59138920), (374, 53920780), (440, 45832663), (527, 38266360), (620, 32526406), (680, 29656429), (682, 29569460), (748, 26960390), (935, 21568312), (1054, 19133180), (1240, 16263203), (1364, 14784730), (1496, 13480195), (1705, 11827784), (1870, 10784156), (2108, 9566590), (2635, 7653272), (2728, 7392365), (3410, 5913892), (3740, 5392078), (4216, 4783295), (5270, 3826636), (5797, 3478760), (6820, 2956946), (7480, 2696039), (10540, 1913318), (11594, 1739380), (13640, 1478473), (21080, 956659), (23188, 869690), (28985, 695752), (46376, 434845), (57970, 347876), (86969, 231880), (115940, 173938)]