20912430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{823}}^1$

素因数の和:862

約数の個数: 96

約数和(自身を含む): 63124992

約数和(自身を除く): 42212562

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 121, 154, 165, 210, 231, 242, 330, 363, 385, 462, 605, 726, 770, 823, 847, 1155, 1210, 1646, 1694, 1815, 2310, 2469, 2541, 3630, 4115, 4235, 4938, 5082, 5761, 8230, 8470, 9053, 11522, 12345, 12705, 17283, 18106, 24690, 25410, 27159, 28805, 34566, 45265, 54318, 57610, 63371, 86415, 90530, 99583, 126742, 135795, 172830, 190113, 199166, 271590, 298749, 316855, 380226, 497915, 597498, 633710, 697081, 950565, 995830, 1394162, 1493745, 1901130, 2091243, 2987490, 3485405, 4182486, 6970810, 10456215, 20912430]

約数ペア:

[(1, 20912430), (2, 10456215), (3, 6970810), (5, 4182486), (6, 3485405), (7, 2987490), (10, 2091243), (11, 1901130), (14, 1493745), (15, 1394162), (21, 995830), (22, 950565), (30, 697081), (33, 633710), (35, 597498), (42, 497915), (55, 380226), (66, 316855), (70, 298749), (77, 271590), (105, 199166), (110, 190113), (121, 172830), (154, 135795), (165, 126742), (210, 99583), (231, 90530), (242, 86415), (330, 63371), (363, 57610), (385, 54318), (462, 45265), (605, 34566), (726, 28805), (770, 27159), (823, 25410), (847, 24690), (1155, 18106), (1210, 17283), (1646, 12705), (1694, 12345), (1815, 11522), (2310, 9053), (2469, 8470), (2541, 8230), (3630, 5761), (4115, 5082), (4235, 4938)]