20662321856

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{7321}}^1$

素因数の和:7574

約数の個数: 112

約数和(自身を含む): 47313006720

約数和(自身を除く): 26650684864

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 64, 76, 88, 152, 176, 209, 211, 304, 352, 418, 422, 608, 704, 836, 844, 1216, 1672, 1688, 2321, 3344, 3376, 4009, 4642, 6688, 6752, 7321, 8018, 9284, 13376, 13504, 14642, 16036, 18568, 29284, 32072, 37136, 44099, 58568, 64144, 74272, 80531, 88198, 117136, 128288, 139099, 148544, 161062, 176396, 234272, 256576, 278198, 322124, 352792, 468544, 556396, 644248, 705584, 1112792, 1288496, 1411168, 1530089, 1544731, 2225584, 2576992, 2822336, 3060178, 3089462, 4451168, 5153984, 6120356, 6178924, 8902336, 12240712, 12357848, 16992041, 24481424, 24715696, 29349889, 33984082, 48962848, 49431392, 58699778, 67968164, 97925696, 98862784, 117399556, 135936328, 234799112, 271872656, 322848779, 469598224, 543745312, 645697558, 939196448, 1087490624, 1291395116, 1878392896, 2582790232, 5165580464, 10331160928, 20662321856]

約数ペア:

[(1, 20662321856), (2, 10331160928), (4, 5165580464), (8, 2582790232), (11, 1878392896), (16, 1291395116), (19, 1087490624), (22, 939196448), (32, 645697558), (38, 543745312), (44, 469598224), (64, 322848779), (76, 271872656), (88, 234799112), (152, 135936328), (176, 117399556), (209, 98862784), (211, 97925696), (304, 67968164), (352, 58699778), (418, 49431392), (422, 48962848), (608, 33984082), (704, 29349889), (836, 24715696), (844, 24481424), (1216, 16992041), (1672, 12357848), (1688, 12240712), (2321, 8902336), (3344, 6178924), (3376, 6120356), (4009, 5153984), (4642, 4451168), (6688, 3089462), (6752, 3060178), (7321, 2822336), (8018, 2576992), (9284, 2225584), (13376, 1544731), (13504, 1530089), (14642, 1411168), (16036, 1288496), (18568, 1112792), (29284, 705584), (32072, 644248), (37136, 556396), (44099, 468544), (58568, 352792), (64144, 322124), (74272, 278198), (80531, 256576), (88198, 234272), (117136, 176396), (128288, 161062), (139099, 148544)]