20819460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{6547}}^1$

素因数の和:6612

約数の個数: 48

約数和(自身を含む): 59403456

約数和(自身を除く): 38583996

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 53, 60, 106, 159, 212, 265, 318, 530, 636, 795, 1060, 1590, 3180, 6547, 13094, 19641, 26188, 32735, 39282, 65470, 78564, 98205, 130940, 196410, 346991, 392820, 693982, 1040973, 1387964, 1734955, 2081946, 3469910, 4163892, 5204865, 6939820, 10409730, 20819460]

約数ペア:

[(1, 20819460), (2, 10409730), (3, 6939820), (4, 5204865), (5, 4163892), (6, 3469910), (10, 2081946), (12, 1734955), (15, 1387964), (20, 1040973), (30, 693982), (53, 392820), (60, 346991), (106, 196410), (159, 130940), (212, 98205), (265, 78564), (318, 65470), (530, 39282), (636, 32735), (795, 26188), (1060, 19641), (1590, 13094), (3180, 6547)]