20838636

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{6361}}^1$

素因数の和:6391

約数の個数: 72

約数和(自身を含む): 64841504

約数和(自身を除く): 44002868

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 6361, 12722, 19083, 25444, 38166, 44527, 57249, 76332, 82693, 89054, 114498, 133581, 165386, 178108, 228996, 248079, 267162, 330772, 400743, 496158, 534324, 578851, 744237, 801486, 992316, 1157702, 1488474, 1602972, 1736553, 2315404, 2976948, 3473106, 5209659, 6946212, 10419318, 20838636]

約数ペア:

[(1, 20838636), (2, 10419318), (3, 6946212), (4, 5209659), (6, 3473106), (7, 2976948), (9, 2315404), (12, 1736553), (13, 1602972), (14, 1488474), (18, 1157702), (21, 992316), (26, 801486), (28, 744237), (36, 578851), (39, 534324), (42, 496158), (52, 400743), (63, 330772), (78, 267162), (84, 248079), (91, 228996), (117, 178108), (126, 165386), (156, 133581), (182, 114498), (234, 89054), (252, 82693), (273, 76332), (364, 57249), (468, 44527), (546, 38166), (819, 25444), (1092, 19083), (1638, 12722), (3276, 6361)]