20101679836

素因数分解:

$2^2\times 7^2\times {\mathrm{113}}^1\times {\mathrm{617}}^1\times {\mathrm{1471}}^1$

素因数の和:2219

約数の個数: 72

約数和(自身を含む): 41378432256

約数和(自身を除く): 21276752420

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 113, 196, 226, 452, 617, 791, 1234, 1471, 1582, 2468, 2942, 3164, 4319, 5537, 5884, 8638, 10297, 11074, 17276, 20594, 22148, 30233, 41188, 60466, 69721, 72079, 120932, 139442, 144158, 166223, 278884, 288316, 332446, 488047, 664892, 907607, 976094, 1163561, 1815214, 1952188, 2327122, 3416329, 3630428, 4654244, 6353249, 6832658, 8144927, 12706498, 13665316, 16289854, 25412996, 32579708, 44472743, 88945486, 102559591, 177890972, 205119182, 410238364, 717917137, 1435834274, 2871668548, 5025419959, 10050839918, 20101679836]

約数ペア:

[(1, 20101679836), (2, 10050839918), (4, 5025419959), (7, 2871668548), (14, 1435834274), (28, 717917137), (49, 410238364), (98, 205119182), (113, 177890972), (196, 102559591), (226, 88945486), (452, 44472743), (617, 32579708), (791, 25412996), (1234, 16289854), (1471, 13665316), (1582, 12706498), (2468, 8144927), (2942, 6832658), (3164, 6353249), (4319, 4654244), (5537, 3630428), (5884, 3416329), (8638, 2327122), (10297, 1952188), (11074, 1815214), (17276, 1163561), (20594, 976094), (22148, 907607), (30233, 664892), (41188, 488047), (60466, 332446), (69721, 288316), (72079, 278884), (120932, 166223), (139442, 144158)]