20174324180

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{353}}^1\times {\mathrm{373}}^1$

素因数の和:945

約数の個数: 96

約数和(自身を含む): 43773295104

約数和(自身を除く): 23598970924

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 163, 188, 235, 326, 353, 373, 470, 652, 706, 746, 815, 940, 1412, 1492, 1630, 1765, 1865, 3260, 3530, 3730, 7060, 7460, 7661, 15322, 16591, 17531, 30644, 33182, 35062, 38305, 57539, 60799, 66364, 70124, 76610, 82955, 87655, 115078, 121598, 131669, 153220, 165910, 175310, 230156, 243196, 263338, 287695, 303995, 331820, 350620, 526676, 575390, 607990, 658345, 1150780, 1215980, 1316690, 2633380, 2704333, 2857553, 5408666, 5715106, 6188443, 10817332, 11430212, 12376886, 13521665, 14287765, 21462047, 24753772, 27043330, 28575530, 30942215, 42924094, 54086660, 57151060, 61884430, 85848188, 107310235, 123768860, 214620470, 429240940, 1008716209, 2017432418, 4034864836, 5043581045, 10087162090, 20174324180]

約数ペア:

[(1, 20174324180), (2, 10087162090), (4, 5043581045), (5, 4034864836), (10, 2017432418), (20, 1008716209), (47, 429240940), (94, 214620470), (163, 123768860), (188, 107310235), (235, 85848188), (326, 61884430), (353, 57151060), (373, 54086660), (470, 42924094), (652, 30942215), (706, 28575530), (746, 27043330), (815, 24753772), (940, 21462047), (1412, 14287765), (1492, 13521665), (1630, 12376886), (1765, 11430212), (1865, 10817332), (3260, 6188443), (3530, 5715106), (3730, 5408666), (7060, 2857553), (7460, 2704333), (7661, 2633380), (15322, 1316690), (16591, 1215980), (17531, 1150780), (30644, 658345), (33182, 607990), (35062, 575390), (38305, 526676), (57539, 350620), (60799, 331820), (66364, 303995), (70124, 287695), (76610, 263338), (82955, 243196), (87655, 230156), (115078, 175310), (121598, 165910), (131669, 153220)]