20653696

素因数分解:

$2^7\times 7^2\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:154

約数の個数: 96

約数和(自身を含む): 49709700

約数和(自身を除く): 29056004

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 37, 49, 56, 64, 74, 89, 98, 112, 128, 148, 178, 196, 224, 259, 296, 356, 392, 448, 518, 592, 623, 712, 784, 896, 1036, 1184, 1246, 1424, 1568, 1813, 2072, 2368, 2492, 2848, 3136, 3293, 3626, 4144, 4361, 4736, 4984, 5696, 6272, 6586, 7252, 8288, 8722, 9968, 11392, 13172, 14504, 16576, 17444, 19936, 23051, 26344, 29008, 33152, 34888, 39872, 46102, 52688, 58016, 69776, 79744, 92204, 105376, 116032, 139552, 161357, 184408, 210752, 232064, 279104, 322714, 368816, 421504, 558208, 645428, 737632, 1290856, 1475264, 2581712, 2950528, 5163424, 10326848, 20653696]

約数ペア:

[(1, 20653696), (2, 10326848), (4, 5163424), (7, 2950528), (8, 2581712), (14, 1475264), (16, 1290856), (28, 737632), (32, 645428), (37, 558208), (49, 421504), (56, 368816), (64, 322714), (74, 279104), (89, 232064), (98, 210752), (112, 184408), (128, 161357), (148, 139552), (178, 116032), (196, 105376), (224, 92204), (259, 79744), (296, 69776), (356, 58016), (392, 52688), (448, 46102), (518, 39872), (592, 34888), (623, 33152), (712, 29008), (784, 26344), (896, 23051), (1036, 19936), (1184, 17444), (1246, 16576), (1424, 14504), (1568, 13172), (1813, 11392), (2072, 9968), (2368, 8722), (2492, 8288), (2848, 7252), (3136, 6586), (3293, 6272), (3626, 5696), (4144, 4984), (4361, 4736)]