20225085844

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{7949}}^1$

素因数の和:8089

約数の個数: 72

約数和(自身を含む): 39362803200

約数和(自身を除く): 19137717356

約数列:

[1, 2, 4, 17, 31, 34, 62, 68, 71, 124, 142, 284, 289, 527, 578, 1054, 1156, 1207, 2108, 2201, 2414, 4402, 4828, 7949, 8804, 8959, 15898, 17918, 20519, 31796, 35836, 37417, 41038, 74834, 82076, 135133, 149668, 246419, 270266, 492838, 540532, 564379, 636089, 985676, 1128758, 1272178, 2257516, 2297261, 2544356, 4189123, 4594522, 8378246, 9189044, 9594443, 16756492, 17495749, 19188886, 34991498, 38377772, 69982996, 71215091, 142430182, 163105531, 284860364, 297427733, 326211062, 594855466, 652422124, 1189710932, 5056271461, 10112542922, 20225085844]

約数ペア:

[(1, 20225085844), (2, 10112542922), (4, 5056271461), (17, 1189710932), (31, 652422124), (34, 594855466), (62, 326211062), (68, 297427733), (71, 284860364), (124, 163105531), (142, 142430182), (284, 71215091), (289, 69982996), (527, 38377772), (578, 34991498), (1054, 19188886), (1156, 17495749), (1207, 16756492), (2108, 9594443), (2201, 9189044), (2414, 8378246), (4402, 4594522), (4828, 4189123), (7949, 2544356), (8804, 2297261), (8959, 2257516), (15898, 1272178), (17918, 1128758), (20519, 985676), (31796, 636089), (35836, 564379), (37417, 540532), (41038, 492838), (74834, 270266), (82076, 246419), (135133, 149668)]