20871036186

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{70919}}^1$

素因数の和:70969

約数の個数: 128

約数和(自身を含む): 57189888000

約数和(自身を除く): 36318851814

約数列:

[1, 2, 3, 6, 7, 11, 13, 14, 21, 22, 26, 33, 39, 42, 49, 66, 77, 78, 91, 98, 143, 147, 154, 182, 231, 273, 286, 294, 343, 429, 462, 539, 546, 637, 686, 858, 1001, 1029, 1078, 1274, 1617, 1911, 2002, 2058, 3003, 3234, 3773, 3822, 4459, 6006, 7007, 7546, 8918, 11319, 13377, 14014, 21021, 22638, 26754, 42042, 49049, 70919, 98098, 141838, 147147, 212757, 294294, 425514, 496433, 780109, 921947, 992866, 1489299, 1560218, 1843894, 2340327, 2765841, 2978598, 3475031, 4680654, 5460763, 5531682, 6453629, 6950062, 10141417, 10425093, 10921526, 12907258, 16382289, 19360887, 20282834, 20850186, 24325217, 30424251, 32764578, 38225341, 38721774, 45175403, 48650434, 60848502, 70989919, 72975651, 76450682, 90350806, 114676023, 135526209, 141979838, 145951302, 212969757, 229352046, 267577387, 271052418, 316227821, 425939514, 496929433, 535154774, 632455642, 802732161, 948683463, 993858866, 1490788299, 1605464322, 1897366926, 2981576598, 3478506031, 6957012062, 10435518093, 20871036186]

約数ペア:

[(1, 20871036186), (2, 10435518093), (3, 6957012062), (6, 3478506031), (7, 2981576598), (11, 1897366926), (13, 1605464322), (14, 1490788299), (21, 993858866), (22, 948683463), (26, 802732161), (33, 632455642), (39, 535154774), (42, 496929433), (49, 425939514), (66, 316227821), (77, 271052418), (78, 267577387), (91, 229352046), (98, 212969757), (143, 145951302), (147, 141979838), (154, 135526209), (182, 114676023), (231, 90350806), (273, 76450682), (286, 72975651), (294, 70989919), (343, 60848502), (429, 48650434), (462, 45175403), (539, 38721774), (546, 38225341), (637, 32764578), (686, 30424251), (858, 24325217), (1001, 20850186), (1029, 20282834), (1078, 19360887), (1274, 16382289), (1617, 12907258), (1911, 10921526), (2002, 10425093), (2058, 10141417), (3003, 6950062), (3234, 6453629), (3773, 5531682), (3822, 5460763), (4459, 4680654), (6006, 3475031), (7007, 2978598), (7546, 2765841), (8918, 2340327), (11319, 1843894), (13377, 1560218), (14014, 1489299), (21021, 992866), (22638, 921947), (26754, 780109), (42042, 496433), (49049, 425514), (70919, 294294), (98098, 212757), (141838, 147147)]