20157461716

素因数分解:

$2^2\times 7^1\times {\mathrm{239}}^1\times {\mathrm{769}}^1\times {\mathrm{3917}}^1$

素因数の和:4936

約数の個数: 48

約数和(自身を含む): 40546598400

約数和(自身を除く): 20389136684

約数列:

[1, 2, 4, 7, 14, 28, 239, 478, 769, 956, 1538, 1673, 3076, 3346, 3917, 5383, 6692, 7834, 10766, 15668, 21532, 27419, 54838, 109676, 183791, 367582, 735164, 936163, 1286537, 1872326, 2573074, 3012173, 3744652, 5146148, 6024346, 6553141, 12048692, 13106282, 21085211, 26212564, 42170422, 84340844, 719909347, 1439818694, 2879637388, 5039365429, 10078730858, 20157461716]

約数ペア:

[(1, 20157461716), (2, 10078730858), (4, 5039365429), (7, 2879637388), (14, 1439818694), (28, 719909347), (239, 84340844), (478, 42170422), (769, 26212564), (956, 21085211), (1538, 13106282), (1673, 12048692), (3076, 6553141), (3346, 6024346), (3917, 5146148), (5383, 3744652), (6692, 3012173), (7834, 2573074), (10766, 1872326), (15668, 1286537), (21532, 936163), (27419, 735164), (54838, 367582), (109676, 183791)]