20888927990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{222199}}^1$

素因数の和:222309

約数の個数: 64

約数和(自身を含む): 46075392000

約数和(自身を除く): 25186464010

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 79, 85, 119, 158, 170, 238, 395, 553, 595, 790, 1106, 1190, 1343, 2686, 2765, 5530, 6715, 9401, 13430, 18802, 47005, 94010, 222199, 444398, 1110995, 1555393, 2221990, 3110786, 3777383, 7554766, 7776965, 15553930, 17553721, 18886915, 26441681, 35107442, 37773830, 52883362, 87768605, 122876047, 132208405, 175537210, 245752094, 264416810, 298413257, 596826514, 614380235, 1228760470, 1492066285, 2088892799, 2984132570, 4177785598, 10444463995, 20888927990]

約数ペア:

[(1, 20888927990), (2, 10444463995), (5, 4177785598), (7, 2984132570), (10, 2088892799), (14, 1492066285), (17, 1228760470), (34, 614380235), (35, 596826514), (70, 298413257), (79, 264416810), (85, 245752094), (119, 175537210), (158, 132208405), (170, 122876047), (238, 87768605), (395, 52883362), (553, 37773830), (595, 35107442), (790, 26441681), (1106, 18886915), (1190, 17553721), (1343, 15553930), (2686, 7776965), (2765, 7554766), (5530, 3777383), (6715, 3110786), (9401, 2221990), (13430, 1555393), (18802, 1110995), (47005, 444398), (94010, 222199)]