20838972

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1187}}^1$

素因数の和:1231

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 43027908

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 19, 21, 22, 28, 33, 38, 42, 44, 57, 66, 76, 77, 84, 114, 132, 133, 154, 209, 228, 231, 266, 308, 399, 418, 462, 532, 627, 798, 836, 924, 1187, 1254, 1463, 1596, 2374, 2508, 2926, 3561, 4389, 4748, 5852, 7122, 8309, 8778, 13057, 14244, 16618, 17556, 22553, 24927, 26114, 33236, 39171, 45106, 49854, 52228, 67659, 78342, 90212, 91399, 99708, 135318, 156684, 157871, 182798, 248083, 270636, 274197, 315742, 365596, 473613, 496166, 548394, 631484, 744249, 947226, 992332, 1096788, 1488498, 1736581, 1894452, 2976996, 3473162, 5209743, 6946324, 10419486, 20838972]

約数ペア:

[(1, 20838972), (2, 10419486), (3, 6946324), (4, 5209743), (6, 3473162), (7, 2976996), (11, 1894452), (12, 1736581), (14, 1488498), (19, 1096788), (21, 992332), (22, 947226), (28, 744249), (33, 631484), (38, 548394), (42, 496166), (44, 473613), (57, 365596), (66, 315742), (76, 274197), (77, 270636), (84, 248083), (114, 182798), (132, 157871), (133, 156684), (154, 135318), (209, 99708), (228, 91399), (231, 90212), (266, 78342), (308, 67659), (399, 52228), (418, 49854), (462, 45106), (532, 39171), (627, 33236), (798, 26114), (836, 24927), (924, 22553), (1187, 17556), (1254, 16618), (1463, 14244), (1596, 13057), (2374, 8778), (2508, 8309), (2926, 7122), (3561, 5852), (4389, 4748)]