20901936

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1330

約数の個数: 80

約数和(自身を含む): 60853248

約数和(自身を除く): 39951312

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 31, 33, 44, 48, 62, 66, 88, 93, 124, 132, 176, 186, 248, 264, 341, 372, 496, 528, 682, 744, 1023, 1277, 1364, 1488, 2046, 2554, 2728, 3831, 4092, 5108, 5456, 7662, 8184, 10216, 14047, 15324, 16368, 20432, 28094, 30648, 39587, 42141, 56188, 61296, 79174, 84282, 112376, 118761, 158348, 168564, 224752, 237522, 316696, 337128, 435457, 475044, 633392, 674256, 870914, 950088, 1306371, 1741828, 1900176, 2612742, 3483656, 5225484, 6967312, 10450968, 20901936]

約数ペア:

[(1, 20901936), (2, 10450968), (3, 6967312), (4, 5225484), (6, 3483656), (8, 2612742), (11, 1900176), (12, 1741828), (16, 1306371), (22, 950088), (24, 870914), (31, 674256), (33, 633392), (44, 475044), (48, 435457), (62, 337128), (66, 316696), (88, 237522), (93, 224752), (124, 168564), (132, 158348), (176, 118761), (186, 112376), (248, 84282), (264, 79174), (341, 61296), (372, 56188), (496, 42141), (528, 39587), (682, 30648), (744, 28094), (1023, 20432), (1277, 16368), (1364, 15324), (1488, 14047), (2046, 10216), (2554, 8184), (2728, 7662), (3831, 5456), (4092, 5108)]