20405579376

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{150697}}^1$

素因数の和:150759

約数の個数: 160

約数和(自身を含む): 66972602368

約数和(自身を除く): 46567022992

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 16, 21, 24, 26, 28, 31, 39, 42, 48, 52, 56, 62, 78, 84, 91, 93, 104, 112, 124, 156, 168, 182, 186, 208, 217, 248, 273, 312, 336, 364, 372, 403, 434, 496, 546, 624, 651, 728, 744, 806, 868, 1092, 1209, 1302, 1456, 1488, 1612, 1736, 2184, 2418, 2604, 2821, 3224, 3472, 4368, 4836, 5208, 5642, 6448, 8463, 9672, 10416, 11284, 16926, 19344, 22568, 33852, 45136, 67704, 135408, 150697, 301394, 452091, 602788, 904182, 1054879, 1205576, 1808364, 1959061, 2109758, 2411152, 3164637, 3616728, 3918122, 4219516, 4671607, 5877183, 6329274, 7233456, 7836244, 8439032, 9343214, 11754366, 12658548, 13713427, 14014821, 15672488, 16878064, 18686428, 23508732, 25317096, 27426854, 28029642, 31344976, 32701249, 37372856, 41140281, 47017464, 50634192, 54853708, 56059284, 60730891, 65402498, 74745712, 82280562, 94034928, 98103747, 109707416, 112118568, 121461782, 130804996, 164561124, 182192673, 196207494, 219414832, 224237136, 242923564, 261609992, 329122248, 364385346, 392414988, 425116237, 485847128, 523219984, 658244496, 728770692, 784829976, 850232474, 971694256, 1275348711, 1457541384, 1569659952, 1700464948, 2550697422, 2915082768, 3400929896, 5101394844, 6801859792, 10202789688, 20405579376]

約数ペア:

[(1, 20405579376), (2, 10202789688), (3, 6801859792), (4, 5101394844), (6, 3400929896), (7, 2915082768), (8, 2550697422), (12, 1700464948), (13, 1569659952), (14, 1457541384), (16, 1275348711), (21, 971694256), (24, 850232474), (26, 784829976), (28, 728770692), (31, 658244496), (39, 523219984), (42, 485847128), (48, 425116237), (52, 392414988), (56, 364385346), (62, 329122248), (78, 261609992), (84, 242923564), (91, 224237136), (93, 219414832), (104, 196207494), (112, 182192673), (124, 164561124), (156, 130804996), (168, 121461782), (182, 112118568), (186, 109707416), (208, 98103747), (217, 94034928), (248, 82280562), (273, 74745712), (312, 65402498), (336, 60730891), (364, 56059284), (372, 54853708), (403, 50634192), (434, 47017464), (496, 41140281), (546, 37372856), (624, 32701249), (651, 31344976), (728, 28029642), (744, 27426854), (806, 25317096), (868, 23508732), (1092, 18686428), (1209, 16878064), (1302, 15672488), (1456, 14014821), (1488, 13713427), (1612, 12658548), (1736, 11754366), (2184, 9343214), (2418, 8439032), (2604, 7836244), (2821, 7233456), (3224, 6329274), (3472, 5877183), (4368, 4671607), (4836, 4219516), (5208, 3918122), (5642, 3616728), (6448, 3164637), (8463, 2411152), (9672, 2109758), (10416, 1959061), (11284, 1808364), (16926, 1205576), (19344, 1054879), (22568, 904182), (33852, 602788), (45136, 452091), (67704, 301394), (135408, 150697)]