20147646820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{1493}}^1\times {\mathrm{2351}}^1$

素因数の和:3901

約数の個数: 96

約数和(自身を含む): 49587987456

約数和(自身を除く): 29440340636

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 41, 70, 82, 140, 164, 205, 287, 410, 574, 820, 1148, 1435, 1493, 2351, 2870, 2986, 4702, 5740, 5972, 7465, 9404, 10451, 11755, 14930, 16457, 20902, 23510, 29860, 32914, 41804, 47020, 52255, 61213, 65828, 82285, 96391, 104510, 122426, 164570, 192782, 209020, 244852, 306065, 329140, 385564, 428491, 481955, 612130, 674737, 856982, 963910, 1224260, 1349474, 1713964, 1927820, 2142455, 2698948, 3373685, 3510043, 4284910, 6747370, 7020086, 8569820, 13494740, 14040172, 17550215, 24570301, 35100430, 49140602, 70200860, 98281204, 122851505, 143911763, 245703010, 287823526, 491406020, 575647052, 719558815, 1007382341, 1439117630, 2014764682, 2878235260, 4029529364, 5036911705, 10073823410, 20147646820]

約数ペア:

[(1, 20147646820), (2, 10073823410), (4, 5036911705), (5, 4029529364), (7, 2878235260), (10, 2014764682), (14, 1439117630), (20, 1007382341), (28, 719558815), (35, 575647052), (41, 491406020), (70, 287823526), (82, 245703010), (140, 143911763), (164, 122851505), (205, 98281204), (287, 70200860), (410, 49140602), (574, 35100430), (820, 24570301), (1148, 17550215), (1435, 14040172), (1493, 13494740), (2351, 8569820), (2870, 7020086), (2986, 6747370), (4702, 4284910), (5740, 3510043), (5972, 3373685), (7465, 2698948), (9404, 2142455), (10451, 1927820), (11755, 1713964), (14930, 1349474), (16457, 1224260), (20902, 963910), (23510, 856982), (29860, 674737), (32914, 612130), (41804, 481955), (47020, 428491), (52255, 385564), (61213, 329140), (65828, 306065), (82285, 244852), (96391, 209020), (104510, 192782), (122426, 164570)]