20211732070

素因数分解:

$2^1\times 5^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1\times {\mathrm{431}}^1\times {\mathrm{1303}}^1$

素因数の和:1861

約数の個数: 64

約数和(自身を含む): 37720442880

約数和(自身を除く): 17508710810

約数列:

[1, 2, 5, 10, 59, 61, 118, 122, 295, 305, 431, 590, 610, 862, 1303, 2155, 2606, 3599, 4310, 6515, 7198, 13030, 17995, 25429, 26291, 35990, 50858, 52582, 76877, 79483, 127145, 131455, 153754, 158966, 254290, 262910, 384385, 397415, 561593, 768770, 794830, 1123186, 1551169, 2807965, 3102338, 4689497, 5615930, 7755845, 9378994, 15511690, 23447485, 33133987, 34257173, 46894970, 66267974, 68514346, 165669935, 171285865, 331339870, 342571730, 2021173207, 4042346414, 10105866035, 20211732070]

約数ペア:

[(1, 20211732070), (2, 10105866035), (5, 4042346414), (10, 2021173207), (59, 342571730), (61, 331339870), (118, 171285865), (122, 165669935), (295, 68514346), (305, 66267974), (431, 46894970), (590, 34257173), (610, 33133987), (862, 23447485), (1303, 15511690), (2155, 9378994), (2606, 7755845), (3599, 5615930), (4310, 4689497), (6515, 3102338), (7198, 2807965), (13030, 1551169), (17995, 1123186), (25429, 794830), (26291, 768770), (35990, 561593), (50858, 397415), (52582, 384385), (76877, 262910), (79483, 254290), (127145, 158966), (131455, 153754)]