20735095240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{9203}}^1$

素因数の和:9347

約数の個数: 128

約数和(自身を含む): 50894438400

約数和(自身を除く): 30159343160

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 31, 40, 46, 62, 79, 92, 115, 124, 155, 158, 184, 230, 248, 310, 316, 395, 460, 620, 632, 713, 790, 920, 1240, 1426, 1580, 1817, 2449, 2852, 3160, 3565, 3634, 4898, 5704, 7130, 7268, 9085, 9203, 9796, 12245, 14260, 14536, 18170, 18406, 19592, 24490, 28520, 36340, 36812, 46015, 48980, 56327, 72680, 73624, 92030, 97960, 112654, 184060, 211669, 225308, 281635, 285293, 368120, 423338, 450616, 563270, 570586, 727037, 846676, 1058345, 1126540, 1141172, 1426465, 1454074, 1693352, 2116690, 2253080, 2282344, 2852930, 2908148, 3635185, 4233380, 5705860, 5816296, 6561739, 7270370, 8466760, 11411720, 13123478, 14540740, 16721851, 22538147, 26246956, 29081480, 32808695, 33443702, 45076294, 52493912, 65617390, 66887404, 83609255, 90152588, 112690735, 131234780, 133774808, 167218510, 180305176, 225381470, 262469560, 334437020, 450762940, 518377381, 668874040, 901525880, 1036754762, 2073509524, 2591886905, 4147019048, 5183773810, 10367547620, 20735095240]

約数ペア:

[(1, 20735095240), (2, 10367547620), (4, 5183773810), (5, 4147019048), (8, 2591886905), (10, 2073509524), (20, 1036754762), (23, 901525880), (31, 668874040), (40, 518377381), (46, 450762940), (62, 334437020), (79, 262469560), (92, 225381470), (115, 180305176), (124, 167218510), (155, 133774808), (158, 131234780), (184, 112690735), (230, 90152588), (248, 83609255), (310, 66887404), (316, 65617390), (395, 52493912), (460, 45076294), (620, 33443702), (632, 32808695), (713, 29081480), (790, 26246956), (920, 22538147), (1240, 16721851), (1426, 14540740), (1580, 13123478), (1817, 11411720), (2449, 8466760), (2852, 7270370), (3160, 6561739), (3565, 5816296), (3634, 5705860), (4898, 4233380), (5704, 3635185), (7130, 2908148), (7268, 2852930), (9085, 2282344), (9203, 2253080), (9796, 2116690), (12245, 1693352), (14260, 1454074), (14536, 1426465), (18170, 1141172), (18406, 1126540), (19592, 1058345), (24490, 846676), (28520, 727037), (36340, 570586), (36812, 563270), (46015, 450616), (48980, 423338), (56327, 368120), (72680, 285293), (73624, 281635), (92030, 225308), (97960, 211669), (112654, 184060)]