20793885876

素因数分解:

$2^2\times 3^2\times {\mathrm{163}}^1\times {\mathrm{1559}}^1\times {\mathrm{2273}}^1$

素因数の和:4005

約数の個数: 72

約数和(自身を含む): 52941994560

約数和(自身を除く): 32148108684

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 163, 326, 489, 652, 978, 1467, 1559, 1956, 2273, 2934, 3118, 4546, 4677, 5868, 6236, 6819, 9092, 9354, 13638, 14031, 18708, 20457, 27276, 28062, 40914, 56124, 81828, 254117, 370499, 508234, 740998, 762351, 1016468, 1111497, 1481996, 1524702, 2222994, 2287053, 3049404, 3334491, 3543607, 4445988, 4574106, 6668982, 7087214, 9148212, 10630821, 13337964, 14174428, 21261642, 31892463, 42523284, 63784926, 127569852, 577607941, 1155215882, 1732823823, 2310431764, 3465647646, 5198471469, 6931295292, 10396942938, 20793885876]

約数ペア:

[(1, 20793885876), (2, 10396942938), (3, 6931295292), (4, 5198471469), (6, 3465647646), (9, 2310431764), (12, 1732823823), (18, 1155215882), (36, 577607941), (163, 127569852), (326, 63784926), (489, 42523284), (652, 31892463), (978, 21261642), (1467, 14174428), (1559, 13337964), (1956, 10630821), (2273, 9148212), (2934, 7087214), (3118, 6668982), (4546, 4574106), (4677, 4445988), (5868, 3543607), (6236, 3334491), (6819, 3049404), (9092, 2287053), (9354, 2222994), (13638, 1524702), (14031, 1481996), (18708, 1111497), (20457, 1016468), (27276, 762351), (28062, 740998), (40914, 508234), (56124, 370499), (81828, 254117)]