20391119400

素因数分解:

$2^3\times 3^1\times 5^2\times {\mathrm{131}}^1\times {\mathrm{259429}}^1$

素因数の和:259579

約数の個数: 96

約数和(自身を含む): 63695253600

約数和(自身を除く): 43304134200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 25, 30, 40, 50, 60, 75, 100, 120, 131, 150, 200, 262, 300, 393, 524, 600, 655, 786, 1048, 1310, 1572, 1965, 2620, 3144, 3275, 3930, 5240, 6550, 7860, 9825, 13100, 15720, 19650, 26200, 39300, 78600, 259429, 518858, 778287, 1037716, 1297145, 1556574, 2075432, 2594290, 3113148, 3891435, 5188580, 6226296, 6485725, 7782870, 10377160, 12971450, 15565740, 19457175, 25942900, 31131480, 33985199, 38914350, 51885800, 67970398, 77828700, 101955597, 135940796, 155657400, 169925995, 203911194, 271881592, 339851990, 407822388, 509777985, 679703980, 815644776, 849629975, 1019555970, 1359407960, 1699259950, 2039111940, 2548889925, 3398519900, 4078223880, 5097779850, 6797039800, 10195559700, 20391119400]

約数ペア:

[(1, 20391119400), (2, 10195559700), (3, 6797039800), (4, 5097779850), (5, 4078223880), (6, 3398519900), (8, 2548889925), (10, 2039111940), (12, 1699259950), (15, 1359407960), (20, 1019555970), (24, 849629975), (25, 815644776), (30, 679703980), (40, 509777985), (50, 407822388), (60, 339851990), (75, 271881592), (100, 203911194), (120, 169925995), (131, 155657400), (150, 135940796), (200, 101955597), (262, 77828700), (300, 67970398), (393, 51885800), (524, 38914350), (600, 33985199), (655, 31131480), (786, 25942900), (1048, 19457175), (1310, 15565740), (1572, 12971450), (1965, 10377160), (2620, 7782870), (3144, 6485725), (3275, 6226296), (3930, 5188580), (5240, 3891435), (6550, 3113148), (7860, 2594290), (9825, 2075432), (13100, 1556574), (15720, 1297145), (19650, 1037716), (26200, 778287), (39300, 518858), (78600, 259429)]