20899842080

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{10048001}}^1$

素因数の和:10048029

約数の個数: 48

約数和(自身を含む): 53174026584

約数和(自身を除く): 32274184504

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 10048001, 20096002, 40192004, 50240005, 80384008, 100480010, 130624013, 160768016, 200960020, 261248026, 321536032, 401920040, 522496052, 653120065, 803840080, 1044992104, 1306240130, 1607680160, 2089984208, 2612480260, 4179968416, 5224960520, 10449921040, 20899842080]

約数ペア:

[(1, 20899842080), (2, 10449921040), (4, 5224960520), (5, 4179968416), (8, 2612480260), (10, 2089984208), (13, 1607680160), (16, 1306240130), (20, 1044992104), (26, 803840080), (32, 653120065), (40, 522496052), (52, 401920040), (65, 321536032), (80, 261248026), (104, 200960020), (130, 160768016), (160, 130624013), (208, 100480010), (260, 80384008), (416, 50240005), (520, 40192004), (1040, 20096002), (2080, 10048001)]