20226985220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{198967}}^1$

素因数の和:199029

約数の個数: 96

約数和(自身を含む): 50541055488

約数和(自身を除く): 30314070268

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 23, 26, 34, 46, 52, 65, 68, 85, 92, 115, 130, 170, 221, 230, 260, 299, 340, 391, 442, 460, 598, 782, 884, 1105, 1196, 1495, 1564, 1955, 2210, 2990, 3910, 4420, 5083, 5980, 7820, 10166, 20332, 25415, 50830, 101660, 198967, 397934, 795868, 994835, 1989670, 2586571, 3382439, 3979340, 4576241, 5173142, 6764878, 9152482, 10346284, 12932855, 13529756, 16912195, 18304964, 22881205, 25865710, 33824390, 43971707, 45762410, 51731420, 59491133, 67648780, 77796097, 87943414, 91524820, 118982266, 155592194, 175886828, 219858535, 237964532, 297455665, 311184388, 388980485, 439717070, 594911330, 777960970, 879434140, 1011349261, 1189822660, 1555921940, 2022698522, 4045397044, 5056746305, 10113492610, 20226985220]

約数ペア:

[(1, 20226985220), (2, 10113492610), (4, 5056746305), (5, 4045397044), (10, 2022698522), (13, 1555921940), (17, 1189822660), (20, 1011349261), (23, 879434140), (26, 777960970), (34, 594911330), (46, 439717070), (52, 388980485), (65, 311184388), (68, 297455665), (85, 237964532), (92, 219858535), (115, 175886828), (130, 155592194), (170, 118982266), (221, 91524820), (230, 87943414), (260, 77796097), (299, 67648780), (340, 59491133), (391, 51731420), (442, 45762410), (460, 43971707), (598, 33824390), (782, 25865710), (884, 22881205), (1105, 18304964), (1196, 16912195), (1495, 13529756), (1564, 12932855), (1955, 10346284), (2210, 9152482), (2990, 6764878), (3910, 5173142), (4420, 4576241), (5083, 3979340), (5980, 3382439), (7820, 2586571), (10166, 1989670), (20332, 994835), (25415, 795868), (50830, 397934), (101660, 198967)]