20701472420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{3727}}^1$

素因数の和:4113

約数の個数: 96

約数和(自身を含む): 46897643520

約数和(自身を除く): 26196171100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 47, 76, 94, 95, 188, 190, 235, 311, 380, 470, 622, 893, 940, 1244, 1555, 1786, 3110, 3572, 3727, 4465, 5909, 6220, 7454, 8930, 11818, 14617, 14908, 17860, 18635, 23636, 29234, 29545, 37270, 58468, 59090, 70813, 73085, 74540, 118180, 141626, 146170, 175169, 277723, 283252, 292340, 350338, 354065, 555446, 700676, 708130, 875845, 1110892, 1159097, 1388615, 1416260, 1751690, 2318194, 2777230, 3328211, 3503380, 4636388, 5554460, 5795485, 6656422, 11590970, 13312844, 16641055, 22022843, 23181940, 33282110, 44045686, 54477559, 66564220, 88091372, 108955118, 110114215, 217910236, 220228430, 272387795, 440456860, 544775590, 1035073621, 1089551180, 2070147242, 4140294484, 5175368105, 10350736210, 20701472420]

約数ペア:

[(1, 20701472420), (2, 10350736210), (4, 5175368105), (5, 4140294484), (10, 2070147242), (19, 1089551180), (20, 1035073621), (38, 544775590), (47, 440456860), (76, 272387795), (94, 220228430), (95, 217910236), (188, 110114215), (190, 108955118), (235, 88091372), (311, 66564220), (380, 54477559), (470, 44045686), (622, 33282110), (893, 23181940), (940, 22022843), (1244, 16641055), (1555, 13312844), (1786, 11590970), (3110, 6656422), (3572, 5795485), (3727, 5554460), (4465, 4636388), (5909, 3503380), (6220, 3328211), (7454, 2777230), (8930, 2318194), (11818, 1751690), (14617, 1416260), (14908, 1388615), (17860, 1159097), (18635, 1110892), (23636, 875845), (29234, 708130), (29545, 700676), (37270, 555446), (58468, 354065), (59090, 350338), (70813, 292340), (73085, 283252), (74540, 277723), (118180, 175169), (141626, 146170)]