20039919960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{421}}^1\times {\mathrm{4457}}^1$

素因数の和:4981

約数の個数: 128

約数和(自身を含む): 60953342400

約数和(自身を除く): 40913422440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 89, 120, 178, 267, 356, 421, 445, 534, 712, 842, 890, 1068, 1263, 1335, 1684, 1780, 2105, 2136, 2526, 2670, 3368, 3560, 4210, 4457, 5052, 5340, 6315, 8420, 8914, 10104, 10680, 12630, 13371, 16840, 17828, 22285, 25260, 26742, 35656, 37469, 44570, 50520, 53484, 66855, 74938, 89140, 106968, 112407, 133710, 149876, 178280, 187345, 224814, 267420, 299752, 374690, 396673, 449628, 534840, 562035, 749380, 793346, 899256, 1124070, 1190019, 1498760, 1586692, 1876397, 1983365, 2248140, 2380038, 3173384, 3752794, 3966730, 4496280, 4760076, 5629191, 5950095, 7505588, 7933460, 9381985, 9520152, 11258382, 11900190, 15011176, 15866920, 18763970, 22516764, 23800380, 28145955, 37527940, 45033528, 47600760, 56291910, 75055880, 112583820, 166999333, 225167640, 333998666, 500997999, 667997332, 834996665, 1001995998, 1335994664, 1669993330, 2003991996, 2504989995, 3339986660, 4007983992, 5009979990, 6679973320, 10019959980, 20039919960]

約数ペア:

[(1, 20039919960), (2, 10019959980), (3, 6679973320), (4, 5009979990), (5, 4007983992), (6, 3339986660), (8, 2504989995), (10, 2003991996), (12, 1669993330), (15, 1335994664), (20, 1001995998), (24, 834996665), (30, 667997332), (40, 500997999), (60, 333998666), (89, 225167640), (120, 166999333), (178, 112583820), (267, 75055880), (356, 56291910), (421, 47600760), (445, 45033528), (534, 37527940), (712, 28145955), (842, 23800380), (890, 22516764), (1068, 18763970), (1263, 15866920), (1335, 15011176), (1684, 11900190), (1780, 11258382), (2105, 9520152), (2136, 9381985), (2526, 7933460), (2670, 7505588), (3368, 5950095), (3560, 5629191), (4210, 4760076), (4457, 4496280), (5052, 3966730), (5340, 3752794), (6315, 3173384), (8420, 2380038), (8914, 2248140), (10104, 1983365), (10680, 1876397), (12630, 1586692), (13371, 1498760), (16840, 1190019), (17828, 1124070), (22285, 899256), (25260, 793346), (26742, 749380), (35656, 562035), (37469, 534840), (44570, 449628), (50520, 396673), (53484, 374690), (66855, 299752), (74938, 267420), (89140, 224814), (106968, 187345), (112407, 178280), (133710, 149876)]