20347213900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{423019}}^1$

素因数の和:423083

約数の個数: 72

約数和(自身を含む): 48835120880

約数和(自身を除く): 28487906980

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 37, 50, 52, 65, 74, 100, 130, 148, 185, 260, 325, 370, 481, 650, 740, 925, 962, 1300, 1850, 1924, 2405, 3700, 4810, 9620, 12025, 24050, 48100, 423019, 846038, 1692076, 2115095, 4230190, 5499247, 8460380, 10575475, 10998494, 15651703, 21150950, 21996988, 27496235, 31303406, 42301900, 54992470, 62606812, 78258515, 109984940, 137481175, 156517030, 203472139, 274962350, 313034060, 391292575, 406944278, 549924700, 782585150, 813888556, 1017360695, 1565170300, 2034721390, 4069442780, 5086803475, 10173606950, 20347213900]

約数ペア:

[(1, 20347213900), (2, 10173606950), (4, 5086803475), (5, 4069442780), (10, 2034721390), (13, 1565170300), (20, 1017360695), (25, 813888556), (26, 782585150), (37, 549924700), (50, 406944278), (52, 391292575), (65, 313034060), (74, 274962350), (100, 203472139), (130, 156517030), (148, 137481175), (185, 109984940), (260, 78258515), (325, 62606812), (370, 54992470), (481, 42301900), (650, 31303406), (740, 27496235), (925, 21996988), (962, 21150950), (1300, 15651703), (1850, 10998494), (1924, 10575475), (2405, 8460380), (3700, 5499247), (4810, 4230190), (9620, 2115095), (12025, 1692076), (24050, 846038), (48100, 423019)]