20176699180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{113}}^1\times {\mathrm{73783}}^1$

素因数の和:73927

約数の個数: 72

約数和(自身を含む): 46985946336

約数和(自身を除く): 26809247156

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 113, 121, 220, 226, 242, 452, 484, 565, 605, 1130, 1210, 1243, 2260, 2420, 2486, 4972, 6215, 12430, 13673, 24860, 27346, 54692, 68365, 73783, 136730, 147566, 273460, 295132, 368915, 737830, 811613, 1475660, 1623226, 3246452, 4058065, 8116130, 8337479, 8927743, 16232260, 16674958, 17855486, 33349916, 35710972, 41687395, 44638715, 83374790, 89277430, 91712269, 166749580, 178554860, 183424538, 366849076, 458561345, 917122690, 1008834959, 1834245380, 2017669918, 4035339836, 5044174795, 10088349590, 20176699180]

約数ペア:

[(1, 20176699180), (2, 10088349590), (4, 5044174795), (5, 4035339836), (10, 2017669918), (11, 1834245380), (20, 1008834959), (22, 917122690), (44, 458561345), (55, 366849076), (110, 183424538), (113, 178554860), (121, 166749580), (220, 91712269), (226, 89277430), (242, 83374790), (452, 44638715), (484, 41687395), (565, 35710972), (605, 33349916), (1130, 17855486), (1210, 16674958), (1243, 16232260), (2260, 8927743), (2420, 8337479), (2486, 8116130), (4972, 4058065), (6215, 3246452), (12430, 1623226), (13673, 1475660), (24860, 811613), (27346, 737830), (54692, 368915), (68365, 295132), (73783, 273460), (136730, 147566)]