16909220

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{1213}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 38546928

約数和(自身を除く): 21637708

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 41, 68, 82, 85, 164, 170, 205, 340, 410, 697, 820, 1213, 1394, 2426, 2788, 3485, 4852, 6065, 6970, 12130, 13940, 20621, 24260, 41242, 49733, 82484, 99466, 103105, 198932, 206210, 248665, 412420, 497330, 845461, 994660, 1690922, 3381844, 4227305, 8454610, 16909220]

約数ペア:

[(1, 16909220), (2, 8454610), (4, 4227305), (5, 3381844), (10, 1690922), (17, 994660), (20, 845461), (34, 497330), (41, 412420), (68, 248665), (82, 206210), (85, 198932), (164, 103105), (170, 99466), (205, 82484), (340, 49733), (410, 41242), (697, 24260), (820, 20621), (1213, 13940), (1394, 12130), (2426, 6970), (2788, 6065), (3485, 4852)]