20227941215

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{4157}}^1$

素因数の和:4352

約数の個数: 64

約数和(自身を含む): 28452695040

約数和(自身を除く): 8224753825

約数列:

[1, 5, 17, 19, 23, 85, 95, 115, 131, 323, 391, 437, 655, 1615, 1955, 2185, 2227, 2489, 3013, 4157, 7429, 11135, 12445, 15065, 20785, 37145, 42313, 51221, 57247, 70669, 78983, 95611, 211565, 256105, 286235, 353345, 394915, 478055, 544567, 973199, 1342711, 1625387, 1816609, 2722835, 4865995, 6713555, 8126935, 9083045, 9257639, 10346773, 12525041, 30882353, 46288195, 51733865, 62625205, 154411765, 175895141, 212925697, 237975779, 879475705, 1064628485, 1189878895, 4045588243, 20227941215]

約数ペア:

[(1, 20227941215), (5, 4045588243), (17, 1189878895), (19, 1064628485), (23, 879475705), (85, 237975779), (95, 212925697), (115, 175895141), (131, 154411765), (323, 62625205), (391, 51733865), (437, 46288195), (655, 30882353), (1615, 12525041), (1955, 10346773), (2185, 9257639), (2227, 9083045), (2489, 8126935), (3013, 6713555), (4157, 4865995), (7429, 2722835), (11135, 1816609), (12445, 1625387), (15065, 1342711), (20785, 973199), (37145, 544567), (42313, 478055), (51221, 394915), (57247, 353345), (70669, 286235), (78983, 256105), (95611, 211565)]